akkoma/lib/pleroma/web/activity_pub/object_validator.ex
lain 6aa116eca7 Create activity handling: Flip it and reverse it
Both objects and create activities will now go through the common
pipeline and will be validated. Objects are now created as a side
effect of the Create activity, rolling back a transaction if it's
not possible to insert the object.
2020-04-28 16:26:19 +02:00

67 lines
2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidator do
@moduledoc """
This module is responsible for validating an object (which can be an activity)
and checking if it is both well formed and also compatible with our view of
the system.
"""
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
@spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()}
def validate(object, meta)
def validate(%{"type" => "Like"} = object, meta) do
with {:ok, object} <-
object
|> LikeValidator.cast_and_validate()
|> Ecto.Changeset.apply_action(:insert) do
object = stringify_keys(object)
{:ok, object, meta}
end
end
def validate(%{"type" => "ChatMessage"} = object, meta) do
with {:ok, object} <-
object
|> ChatMessageValidator.cast_and_validate()
|> Ecto.Changeset.apply_action(:insert) do
object = stringify_keys(object)
{:ok, object, meta}
end
end
def validate(%{"type" => "Create"} = object, meta) do
with {:ok, object} <-
object
|> CreateChatMessageValidator.cast_and_validate(meta)
|> Ecto.Changeset.apply_action(:insert) do
object = stringify_keys(object)
{:ok, object, meta}
end
end
def stringify_keys(%{__struct__: _} = object) do
object
|> Map.from_struct()
|> stringify_keys
end
def stringify_keys(object) do
object
|> Map.new(fn {key, val} -> {to_string(key), val} end)
end
def fetch_actor_and_object(object) do
User.get_or_fetch_by_ap_id(object["actor"])
Object.normalize(object["object"])
:ok
end
end